1225861

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 1590400

約数和(自身を除く): 364539

約数列:

[1, 7, 13, 19, 91, 133, 247, 709, 1729, 4963, 9217, 13471, 64519, 94297, 175123, 1225861]

約数ペア:

[(1, 1225861), (7, 175123), (13, 94297), (19, 64519), (91, 13471), (133, 9217), (247, 4963), (709, 1729)]